Reliability Prediction Approach of DC-DC Converter with Electrical Stress Analysis
Konferenz: CIPS 2014 - 8th International Conference on Integrated Power Electronics Systems
25.02.2014 - 27.02.2014 in Nuremberg, Germany
Tagungsband: CIPS 2014
Seiten: 4Sprache: EnglischTyp: PDF
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Autoren:
Kim, Jemin; Choi, Sungsoon; Lee, Kwanhun (Reliability Technology Research Center, KETI, Seongnam-si, South Korea)
Lee, Kwanhun (Kwangwoon Univ., Seoul, South Korea)
Inhalt:
DC-DC converter has been widely used in the electronic devices and systems for electric power supply. Until now, there have been many studies to improve reliability including electric characteristics of DC-DC converter. First, this paper shows a simple case of worst case circuit analysis (WCCA) on the output voltage of DC-DC converter with Monte Carlo Analysis (MCA) by electrical simulation program. Next, it presents a reliability prediction approach of DC-DC converter with electrical stress analysis by electrical simulation program and with reliability prediction method based on Telcordia SR-332. This approach can be helpful for accurate predicting the lifetime or failure rate of DC-DC converter. The way of reliability prediction with electrical stress analysis is discussed and the result of estimating failure rate of DC-DC converter is shown.